CFR›Title 37›Chapter II›Part 223 ContainsSections 223.1–223.3CorpusDaily eCFRDisplayed edition2026-05-12Last updated2026-05-12 PART 223—OPT-OUT PROVISIONS Sections 223.1 § 223.1 Respondent's opt-out. 223.2 § 223.2 Libraries and archives opt-out procedures. 223.3 § 223.3 Class action opt-out procedures. Authority17 U.S.C. 702, 1510.Source87 FR 13176, Mar. 9, 2022, unless otherwise noted. Previous 222 Part 222—Proceedings Next 224 Part 224—Review of Claims by Officers and Attorneys